Plot: Gunneson reappears in Caffrey's house. Meanwhile, Lucas, Nigel and Ramsey try to break down how the alien signals and DNA operate and come up with some interesting theories
Cast
Carla GuginoDr. Molly Anne CaffreyCarla Gugino was 34 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Sun, Aug 29 1971
Brian Van HoltSean CavennaughBrian Van Holt was 36 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Sun, Jul 06 1969
Brent SpinerDr. Nigel FenwayBrent Spiner was 56 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Wed, Feb 02 1949
Rob BenedictLucas PeggRob Benedict was 34 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Mon, Sep 21 1970
Peter DinklageArthur RamseyPeter Dinklage was 36 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Wed, Jun 11 1969
Charles S. DuttonJ.T. BaylockCharles S. Dutton was 54 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Tue, Jan 30 1951
Kevin DurandKevin Durand was 31 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Mon, Jan 14 1974
Seamus DeverAgent DetoroSeamus Dever was 29 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Tue, Jul 27 1976
William MapotherWilliam Mapother was 40 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Sat, Apr 17 1965
Diane VenoraDiane Venora was 53 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Sun, Aug 10 1952
Crew
Peter HyamsDirectorPeter Hyams was 62 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Mon, Jul 26 1943
Brannon BragaWriterBrannon Braga was 40 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Sat, Aug 14 1965
David S. GoyerWriterDavid S. Goyer was 39 in Threshold - Season 1 - Trees Made of Glass (2) (Episode 2).
Birthday: Wed, Dec 22 1965